[Bug tree-optimization/110386] [12/13/14 Regression] ICE with ABSU in backprop

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110386

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[14 Regression] ICE when    |[12/13/14 Regression] ICE
                   |optimizing VPABSD/VPMULLD   |with ABSU in backprop
                   |since                       |
                   |g:07b86ab138bf8be8cb331015c |
                   |d2b9775c6856ac6             |
      Known to fail|                            |12.1.0
   Target Milestone|14.0                        |12.4

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Here is a generic non-vector based testcase which shows the same issue with
backprop:
```
int f(int a)
{
        unsigned b = a;
        b =  ((unsigned)a)*(-(a<0)|1);
        unsigned t = b*a;
        return t*t;
}
```